<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        // >,<,==,>=,<=,!=
        var a = true
        var b = 1;
        console.log(a==b) // true
        console.log(a=="1") //true  两边都先转为number
    </script>
</body>
</html>